forked from vikunja/vikunja
115 lines
3.7 KiB
Go
115 lines
3.7 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public Licensee as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public Licensee for more details.
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//
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// You should have received a copy of the GNU Affero General Public Licensee
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package auth
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import (
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"net/http"
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"time"
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"code.vikunja.io/api/pkg/config"
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"code.vikunja.io/api/pkg/models"
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"code.vikunja.io/api/pkg/user"
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"code.vikunja.io/web"
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"github.com/golang-jwt/jwt/v4"
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"github.com/labstack/echo/v4"
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)
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// These are all valid auth types
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const (
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AuthTypeUnknown int = iota
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AuthTypeUser
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AuthTypeLinkShare
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)
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// Token represents an authentification token
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type Token struct {
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Token string `json:"token"`
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}
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// NewUserAuthTokenResponse creates a new user auth token response from a user object.
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func NewUserAuthTokenResponse(u *user.User, c echo.Context, long bool) error {
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t, err := NewUserJWTAuthtoken(u, long)
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if err != nil {
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return err
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}
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return c.JSON(http.StatusOK, Token{Token: t})
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}
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// NewUserJWTAuthtoken generates and signes a new jwt token for a user. This is a global function to be able to call it from integration tests.
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func NewUserJWTAuthtoken(u *user.User, long bool) (token string, err error) {
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t := jwt.New(jwt.SigningMethodHS256)
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var ttl = time.Duration(config.ServiceJWTTTL.GetInt64())
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if long {
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ttl = time.Duration(config.ServiceJWTTTLLong.GetInt64())
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}
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var exp = time.Now().Add(time.Second * ttl).Unix()
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// Set claims
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claims := t.Claims.(jwt.MapClaims)
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claims["type"] = AuthTypeUser
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claims["id"] = u.ID
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claims["username"] = u.Username
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claims["email"] = u.Email
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claims["exp"] = exp
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claims["name"] = u.Name
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claims["emailRemindersEnabled"] = u.EmailRemindersEnabled
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claims["isLocalUser"] = u.Issuer == user.IssuerLocal
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claims["long"] = long
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// Generate encoded token and send it as response.
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return t.SignedString([]byte(config.ServiceJWTSecret.GetString()))
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}
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// NewLinkShareJWTAuthtoken creates a new jwt token from a link share
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func NewLinkShareJWTAuthtoken(share *models.LinkSharing) (token string, err error) {
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t := jwt.New(jwt.SigningMethodHS256)
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var ttl = time.Duration(config.ServiceJWTTTL.GetInt64())
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var exp = time.Now().Add(time.Second * ttl).Unix()
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// Set claims
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claims := t.Claims.(jwt.MapClaims)
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claims["type"] = AuthTypeLinkShare
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claims["id"] = share.ID
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claims["hash"] = share.Hash
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claims["project_id"] = share.ProjectID
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claims["right"] = share.Right
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claims["sharedByID"] = share.SharedByID
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claims["exp"] = exp
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claims["isLocalUser"] = true // Link shares are always local
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// Generate encoded token and send it as response.
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return t.SignedString([]byte(config.ServiceJWTSecret.GetString()))
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}
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// GetAuthFromClaims returns a web.Auth object from jwt claims
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func GetAuthFromClaims(c echo.Context) (a web.Auth, err error) {
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jwtinf := c.Get("user").(*jwt.Token)
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claims := jwtinf.Claims.(jwt.MapClaims)
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typ := int(claims["type"].(float64))
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if typ == AuthTypeLinkShare && config.ServiceEnableLinkSharing.GetBool() {
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return models.GetLinkShareFromClaims(claims)
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}
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if typ == AuthTypeUser {
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return user.GetUserFromClaims(claims)
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}
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return nil, echo.NewHTTPError(http.StatusBadRequest, models.Message{Message: "Invalid JWT token."})
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}
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